package Pugs::Grammar::Ternary; use strict; use warnings; #use base qw(Pugs::Grammar::Operator); use Pugs::Grammar::Operator; use base qw(Pugs::Grammar::BaseCategory); use Pugs::Grammar::Infix; sub add_rule { my $self = shift; my %opt = @_; $self->Pugs::Grammar::Operator::add_rule( %opt, fixity => 'ternary', assoc => 'non', ); $self->Pugs::Grammar::Operator::add_rule( %opt, precedence => 'equal', other => $opt{name}, fixity => 'ternary', assoc => 'non', name => 'ternary:<' . $opt{name} . ' ' . $opt{name2} . '>', ); $self->SUPER::add_rule( $opt{name}, '{ return { op => "' . $opt{name} . '" ,} }' ); $self->SUPER::add_rule( $opt{name2}, '{ return { op => "' . $opt{name2} . '" ,} }' ); $self->SUPER::add_rule( "ternary:<" . $opt{name} . " " . $opt{name} . ">", '{ return { op => "ternary:<' . $opt{name} . ' ' . $opt{name2} . '>" ,} }' ); } BEGIN { __PACKAGE__->add_rule( name => '??', name2 => '!!', assoc => 'non', precedence => 'looser', other => '||', ); __PACKAGE__->recompile; } 1;